/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.util;

/**
 * A helper class for getting build-info of the java-vm. <br/>
 * 运行了下，显示Windows 7-x86-32。
 */
public class PlatformName {
	/**
	 * The complete platform 'name' to identify the platform as per the java-vm.
	 */
	private static final String platformName = System.getProperty("os.name")
			+ "-" + System.getProperty("os.arch") + "-"
			+ System.getProperty("sun.arch.data.model");

	/**
	 * Get the complete platform as per the java-vm.
	 * 
	 * @return returns the complete platform as per the java-vm.
	 */
	public static String getPlatformName() {
		return platformName;
	}

	public static void main(String[] args) {
		System.out.println(platformName);
	}
}
